Home / 2,421.65-3,632.27-960.41

Finding the Fourth Proportional to 2,421.65, 3,632.27 and 960.41

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Solution

The fourth proportional to 2,421.65, 3,632.27 and 960.41 is: 1,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.65 : 3,632.27 = 960.41 : x
  2. Step 2: Convert to fraction form
    2,421.65/3,632.27 = 960.41/x
  3. Step 3: Cross multiply
    2,421.65x = 3,632.27 × 960.41
  4. Step 4: Simplify right side
    2,421.65x = 3,488,468.43
  5. Step 5: Solve for x
    x = 3,488,468.43/2,421.65
  6. Step 6: Final answer
    x = 1,440.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.